/*
 * Copyright 2022 The Open Islands Authors. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.openislands.oi.rpc.base;

import java.io.IOException;

public interface Listener<T> {
    /***
     * Handling listening event
     * @param executor      event executor
     * @param t             event type
     * @return event result
     * @throws IOException  io
     */
    Object onEvent(Executor<?> executor, T t) throws IOException;
}